XEmacs 21.2.20 "Yoko".

[chise/xemacs-chise.git.1] / src / search.c

diff --git a/src/search.c b/src/search.c
index 051fded..a66abc0 100644 (file)
--- a/src/search.c
+++ b/src/search.c
@@ -54,10 +54,10 @@ struct regexp_cache {
 };
 
 /* The instances of that struct.  */
-struct regexp_cache searchbufs[REGEXP_CACHE_SIZE];
+static struct regexp_cache searchbufs[REGEXP_CACHE_SIZE];
 
 /* The head of the linked list; points to the most recently used buffer.  */
-struct regexp_cache *searchbuf_head;
+static struct regexp_cache *searchbuf_head;
 
 
 /* Every call to re_match, etc., must pass &search_regs as the regs
@@ -700,6 +700,50 @@ find_next_newline (struct buffer *buf, Bufpos from, int count)
   return scan_buffer (buf, '\n', from, 0, count, 0, 1);
 }
 
+Bytind
+bi_find_next_emchar_in_string (struct Lisp_String* str, Emchar target, Bytind st,
+                              EMACS_INT count)
+{
+  /* This function has been Mule-ized. */
+  Bytind lim = string_length (str) -1;
+  Bufbyte* s = string_data (str);
+
+  assert (count >= 0);
+
+#ifdef MULE
+  /* Due to the Mule representation of characters in a buffer,
+     we can simply search for characters in the range 0 - 127
+     directly.  For other characters, we do it the "hard" way.
+     Note that this way works for all characters but the other
+     way is faster. */
+  if (target >= 0200)
+    {
+      while (st < lim && count > 0)
+       {
+         if (string_char (str, st) == target)
+           count--;
+         INC_CHARBYTIND (s, st);
+       }
+    }
+  else
+#endif
+    {
+      while (st < lim && count > 0)
+       {
+         Bufbyte *bufptr = (Bufbyte *) memchr (charptr_n_addr (s, st),
+                                               (int) target, lim - st);
+         if (bufptr)
+           {
+             count--;
+             st =  (Bytind)(bufptr - s) + 1;
+           }
+         else
+           st = lim;
+       }
+    }
+  return st;
+}
+
 /* Like find_next_newline, but returns position before the newline,
    not after, and only search up to TO.  This isn't just
    find_next_newline (...)-1, because you might hit TO.  */
@@ -2530,9 +2574,12 @@ syms_of_search (void)
 }
 
 void
-vars_of_search (void)
+reinit_vars_of_search (void)
 {
-  REGISTER int i;
+  int i;
+
+  last_thing_searched = Qnil;
+  staticpro_nodump (&last_thing_searched);
 
   for (i = 0; i < REGEXP_CACHE_SIZE; ++i)
     {
@@ -2540,13 +2587,16 @@ vars_of_search (void)
       searchbufs[i].buf.buffer = (unsigned char *) xmalloc (100);
       searchbufs[i].buf.fastmap = searchbufs[i].fastmap;
       searchbufs[i].regexp = Qnil;
-      staticpro (&searchbufs[i].regexp);
+      staticpro_nodump (&searchbufs[i].regexp);
       searchbufs[i].next = (i == REGEXP_CACHE_SIZE-1 ? 0 : &searchbufs[i+1]);
     }
   searchbuf_head = &searchbufs[0];
+}
 
-  last_thing_searched = Qnil;
-  staticpro (&last_thing_searched);
+void
+vars_of_search (void)
+{
+  reinit_vars_of_search ();
 
   DEFVAR_LISP ("forward-word-regexp", &Vforward_word_regexp /*
 *Regular expression to be used in `forward-word'.